EP3631380A1 - Dipstick, gauge arrangement, and related devices - Google Patents
Dipstick, gauge arrangement, and related devicesInfo
- Publication number
- EP3631380A1 EP3631380A1 EP18810350.1A EP18810350A EP3631380A1 EP 3631380 A1 EP3631380 A1 EP 3631380A1 EP 18810350 A EP18810350 A EP 18810350A EP 3631380 A1 EP3631380 A1 EP 3631380A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- stopper
- tube
- dipstick
- outer circular
- liquid reservoir
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000007788 liquid Substances 0.000 claims abstract description 81
- 230000005540 biological transmission Effects 0.000 claims abstract description 28
- 239000012530 fluid Substances 0.000 claims description 11
- 238000006073 displacement reaction Methods 0.000 description 11
- 239000004927 clay Substances 0.000 description 8
- 238000002485 combustion reaction Methods 0.000 description 7
- 239000003921 oil Substances 0.000 description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000002828 fuel tank Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000003502 gasoline Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
- F01M11/10—Indicating devices; Other safety devices
- F01M11/12—Indicating devices; Other safety devices concerning lubricant level
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/04—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by dip members, e.g. dip-sticks
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N2250/00—Measuring
- F16N2250/18—Level
Definitions
- the present invention relates to a dipstick for indicating a liquid level in a liquid reservoir.
- the present invention further relates to a gauge arrangement for indicating a liquid level in a liquid reservoir, wherein the gauge arrangement comprises a dipstick.
- the present invention further relates to a power source, a transmission, and a vehicle.
- Dipsticks can for example be used to measure the quantity of liquid in an otherwise inaccessible liquid reservoir.
- a dipstick comprises a level indicator arranged at an end of the dipstick which is intended to be dipped into the liquid of the liquid reservoir. By checking the extent of level indicator covered by the liquid, a user can gain information about the level of liquid in the liquid reservoir.
- the most familiar example is the oil level dipstick found on most internal combustion engines.
- Other examples are dipsticks used to measure fuel levels in fuel tanks and oil level in a transmission.
- An upper cap of the dipstick usually provides a stopper of the dip stick such that the level indicator is positioned at a
- a first problem is measuring accuracy. That is, many devices, such as internal combustion engines and transmissions rely on a correct amount of liquid, such as oil. In internal combustion engines, as well as in transmissions, a too low, as well as a too high, level of oil may cause damages to the engine and to the transmission. There are many factors that affect the measuring accuracy of a dipstick. For the above given reasons, as well as for other reasons, it may be vital to design the dipstick such that it provides a good measuring accuracy.
- an internal combustion engine usually comprises a liquid reservoir, in the form of an oil reservoir, in a lower portion of a crank case of the internal combustion engine.
- a liquid reservoir in the form of an oil reservoir
- some gas is leaking past piston rings of pistons of the engine into the crank case.
- blow by gas Such gas is usually referred to as blow by gas.
- Internal combustion engines are usually provided with a crank case ventilation arrangement configured to guide such blow by gas to the atmosphere or to the inlet of the engine.
- an over pressure may arise in the oil reservoir of the engine.
- An over pressure may also arise in other devices utilizing dipsticks.
- the interior of a transmission is usually sealed from the external environment to ensure a clean environment within the transmission.
- the temperature within the interior of the transmission may increase which may lead to the build-up of an over pressure in the interior of the transmission.
- the temperature of an inner volume of a fuel tank may vary during the day. Therefore, an over pressure may also arise in such a device, and in similar devices.
- Dipsticks are usually used in gauge arrangements comprising tubes, wherein the dipstick is arranged to be inserted into the tube.
- a third problem that may be addressed is the accumulation of dirt, debris, clay, and/or liquid film in the tube.
- a fourth problem that may be addressed is that in general, it is an advantage if products are designed such that they can be manufactured in a cost-efficient manner, while comprising different features, and while being capable of performing different functions.
- the object is achieved by a dipstick for indicating a liquid level in a liquid reservoir
- the dipstick comprises a stick body comprising a first end and a second end.
- the dipstick further comprises a level indicator arranged at the first end, and a stopper arranged at a portion of the stick body between the first and second ends.
- the stick body, including the stopper is configured to be inserted into a tube extending into the liquid reservoir.
- the stopper is arranged to abut against a narrowing portion of the tube to position the level indicator at a predetermined position within the liquid reservoir.
- the stopper comprises a first protrusion having a first outer circular surface and a second protrusion having a second outer circular surface.
- the first and second outer circular surfaces have essentially the same outer diameters.
- the stopper comprises an annular groove arranged between the first and second protrusions.
- the first outer circular surface comprises at least one first recess, and the second outer circular surface comprises at least one second recess.
- the stopper is arranged at a portion of the stick body between the first and second ends, a relative short distance between the stopper and the level indicator is provided, in comparison to a dipstick comprising a stopper at an upper end of the dip stick. Accordingly, due to these features, the measuring accuracy of the dipstick is improved in a cost-efficient manner. Since the stopper comprises the first and second protrusions each having outer circular surfaces, and since the stopper comprises the annular groove arranged between the first and second protrusions, displacement of the stopper is facilitated along a tube having an inner diameter essentially corresponding to the outer diameters of the first and second outer circular surfaces.
- the stopper comprises the annular groove arranged between the first and second protrusions, and since the first outer circular surface comprises at least one first recess, and the second outer circular surface comprises at least one second recess, fluid may flow past the stopper, when the stopper is inserted into a tube having an inner diameter essentially corresponding to the outer diameter of the first and second protrusions.
- a stopper and thus also a dipstick comprising the stopper, is provided, capable of eliminating, or at least alleviating, the risk of a pressure build-up in the liquid reservoir.
- the stopper comprises the first and second protrusions each having outer circular surfaces, the stopper will, upon displacement in a tube having an inner diameter essentially corresponding to the outer diameter of the first and second protrusions, remove dirt, debris, clay, and/or liquid film in the tube, in an efficient manner.
- a dipstick is provided overcoming, or at least alleviating, at least some of the above-mentioned problems and drawbacks.
- the above-mentioned object is achieved.
- the at least one first recess is arranged at a different circumferential position than the at least one second recess.
- the stopper will, in a still more efficient manner, remove dirt, debris, clay, and/or liquid film upon displacement in a tube having an inner diameter essentially corresponding to the outer diameter of the first and second protrusions.
- the at least one first and second recesses, and the annular groove are arranged such that they together form a fluid connection past the stopper, when the stopper is inserted into a tube having an inner diameter essentially corresponding to the outer diameter of the first and second protrusions.
- the stopper is capable of eliminating, or at least alleviating, the risk of a pressure build-up in the liquid reservoir in a still more efficient manner since fluid may flow through the fluid connection. Thereby, the risk of displacement of the dipstick out of the tube caused by an over pressure in the liquid reservoir is reduced.
- the first outer circular surface comprises at least two first recesses
- the second outer circular surface comprises at least two second recesses
- the at least two first recesses are arranged at different circumferential positions than the at least two second recesses.
- the stopper comprises an O-ring arranged in the annular groove.
- a stopper is provided further ensuring removal dirt, debris, clay, and/or liquid film in the tube upon displacement of the stopper along the tube.
- the O-ring may prevent transport of dirt, debris, clay, and/or liquid from past the stopper, when the stopper is inserted into the tube.
- each recess of the first and second recesses extend past an inner radius of the O-ring seen in a radial direction of the stopper, from the first and second outer circular surfaces towards a centre axis of the stopper.
- a fluid connection past the stopper is ensured, when the stopper is inserted into a tube having an inner diameter essentially corresponding to the outer diameter of the first and second protrusions.
- a stopper is provided capable of eliminating, or at least alleviating, the risk of a pressure build-up in the liquid reservoir in a still more efficient manner, thus reducing the risk of displacement of the dipstick out of the tube caused by an over pressure in the liquid reservoir.
- the first and second outer circular surfaces each comprise non-recessed portions free of any first and second recesses, wherein the non-recessed portions of the first and second outer circular surfaces, together cover the entire circumference of the stopper, seen in a view along a centre axis of the stopper.
- a stopper is provided ensuring removal dirt, debris, clay, and/or liquid film along the entire inner circumference of the tube, upon displacement of the stopper along the tube, while a fluid connection past the stopper is ensured.
- the stopper is arranged at a distance from the first end of the stick body being less than 50% of the distance between the first and second ends.
- a relative short distance between the stopper and the level indicator is provided in comparison to a dipstick comprising a stopper at an upper end of the dip stick.
- the measuring accuracy of the dipstick is improved in a cost-efficient manner.
- the stopper is arranged at a distance from the first end of the stick body being less than 40% of the distance between the first and second ends.
- a relative short distance between the stopper and the level indicator is provided in comparison to a dipstick comprising a stopper at an upper end of the dip stick.
- the measuring accuracy of the dipstick is improved in a cost-efficient manner.
- the object is achieved by a gauge
- the gauge arrangement comprises a dipstick according to some embodiments, and a tube comprising a first tube end and a second tube end.
- the first tube end is configured to extend into the liquid reservoir.
- the second tube end is configured to receive the dipstick.
- the tube comprises a narrowing portion arranged between the first and second tube ends.
- the tube comprises a first inner diameter along a portion of the tube extending from the second tube end to the narrowing portion.
- the first inner diameter essentially corresponds to the outer diameters of the first and second outer circular surfaces.
- the gauge arrangement comprises a dipstick overcoming, or at least alleviating, at least some of the above-mentioned problems and drawbacks
- a gauge arrangement is provided which overcomes, or at least alleviates, at least some of the above-mentioned problems and drawbacks. As a result, the above-mentioned object is achieved.
- the object is achieved by a power source for a vehicle, wherein the power source is configured to provide motive power to the vehicle, and wherein the power source comprises a liquid reservoir and a gauge arrangement according to some embodiments, wherein the tube of the gauge arrangement extends into the liquid reservoir.
- the power source comprises a gauge arrangement which overcomes, or at least alleviates, at least some of the above-mentioned problems and drawbacks
- a power source is provided which overcomes, or at least alleviates, at least some of the above-mentioned problems and drawbacks.
- a power source is provided with reduced risk of blow out of the dipstick.
- the object is achieved by a transmission for a vehicle, wherein a power source of the vehicle is configured to provide motive power to the vehicle, via the transmission, and wherein the transmission comprises a liquid reservoir and a gauge arrangement according to some embodiments, wherein the tube of the gauge arrangement extends into the liquid reservoir.
- the transmission comprises a gauge arrangement which overcomes, or at least alleviates, at least some of the above-mentioned problems and drawbacks
- a transmission is provided which overcomes, or at least alleviates, at least some of the above-mentioned problems and drawbacks.
- a transmission is provided with reduced risk of blow out of the dipstick.
- the object is achieved by a vehicle comprising at least one of a power source according to some embodiments, and/or a transmission according to some embodiments.
- the vehicle comprises at least one of a power source according to some embodiments, and/or a transmission according to some embodiments, overcoming, or at least alleviating, at least some of the above-mentioned problems and drawbacks, a vehicle is provided which overcomes, or at least alleviates, at least some of the above-mentioned problems and drawbacks. Further, a vehicle is provided with reduced risk of blow out of the one or more dipsticks.
- Fig. 1 illustrates a cross section of a gauge arrangement for indicating a liquid level in a liquid reservoir
- Fig. 2 illustrates an enlarged view of the stopper illustrated in Fig. 1 ,
- Fig. 3 illustrates the stopper illustrated in Fig. 2, in a view along a centre axis of the stopper
- Fig. 4 illustrates a stopper according to some further embodiments, in a view along a centre axis of the stopper
- Fig. 5 illustrates a powertrain for a vehicle, according to some embodiments.
- Fig. 6 illustrates a vehicle comprising the power source and the transmission, illustrated in Fig. 5.
- Fig. 1 illustrates a cross section of a gauge arrangement 2 for indicating a liquid level in a liquid reservoir 3.
- the gauge arrangement 2 comprises a tube 17 and a dipstick 1 .
- the tube 17 extends into the liquid reservoir 3.
- the dipstick 1 comprises a stick body 5 comprising a first end 7 and a second end 9.
- the stick body 5 may comprise wires that are spun in a spiral, a flat metal stick, a flat plastic stick, a metal or plastic stick having a circular cross section, or the like.
- the stick body 5 comprises a level indicator 1 1 arranged at the first end 7.
- the level indicator 1 1 may for example comprise an indicator body provided with one or more lines, numbers, or the like, distributed on a surface of the indicator body.
- the dipstick comprises a grip 12 at the second end 9 facilitating insertion, and removal of, the dipstick into, and out of, the tube 17.
- the tube 17 comprises a first tube end 39 and a second tube end 41 .
- the first tube end 39 extends into the liquid reservoir 3.
- the second tube end 41 is configured to receive the dipstick 1 .
- the tube 17 comprises a narrowing portion 19 arranged between the first and second tube ends 39, 41 .
- the dipstick comprises a stopper 13 arranged at a portion 15 of the stick body 5 between the first and second ends 7, 9 of the dip stick 1 .
- the stick body 5, including the stopper 13 is illustrated as being fully inserted into a tube 17.
- the stopper 13 is arranged to abut against a narrowing portion 19 of the tube 17 to position the level indicator 1 1 at a
- the predetermined position is such that the level indicator 1 1 is partially covered by liquid, when the liquid reservoir 3 is filled with a predetermined amount of liquid.
- a user can gain information about the level of liquid in the liquid reservoir 3 by checking the extent of the level indicator 1 1 covered by the liquid.
- the portion of the tube 17 comprising the narrowing portion 19 is arranged inside the liquid reservoir 3.
- the portion of the tube 17 comprising the narrowing portion 19 may be arranged outside of the liquid reservoir 3.
- the stopper 13 is arranged at a distance d1 from the first end 7 of the stick body 5 being approximately 17.8% of the distance d2 between the first and second ends 7, 9.
- the stopper 13 may be arranged at a distance d1 from the first end 7 of the stick body 5 being less than 5%, 10%, 20%, 30%, 40%, or 50% of the distance d2 between the first and second ends 7, 9.
- the dimensions of tube 17 of the gauge arrangement 2 is adapted to the dimensions of the dipstick 1 . That is, the length of a portion 42 of the tube 17 extending from the second tube end 41 to the narrowing portion 19 of the tube 17 essentially corresponds to the length between the second end 9 of the dipstick 1 and the stopper 13 of the dipstick 1 . Further, the narrowing portion 19 of the tube 17 is located at a position relative the liquid reservoir 3 such that when the stopper 13 is abutting against the narrowing portion 19, the level indicator 1 1 is positioned at the predetermined position within the liquid reservoir 3.
- the gauge arrangement 2 further comprises a cover 37 at an upper portion thereof.
- the cover 37 is configured to provide a seal of the interior of the tube 17 from the environment outside the tube 17.
- the cover 37 comprises at least one fluid connection connecting the interior of the tube 17 and the environment outside the tube 17. This in order to prevent the build-up of an overpressure in the liquid reservoir 3, as will be further discussed below.
- the cover 37 is arranged to provide the above described sealing function along a certain tolerance interval.
- the dipstick 1 comprises a relative great distance between the stopper 13 and the second end 9 of the dipstick 1 . Since the cover 37 is arranged to provide the above described sealing function along the certain tolerance interval, the interior of the tube 17 can be sealed from the environment outside the interior of the tube 17, without having to use a dipstick body 5 having high tolerances.
- Fig. 2 illustrates an enlarged view of the stopper 12 illustrated in Fig. 1 .
- the stopper 13 comprises a first protrusion 21 having a first outer circular surface 21 ' and a second protrusion 22 having a second outer circular surface 22'.
- the stopper 13 further comprises an annular groove 25 arranged between the first and second protrusions 21 , 22.
- the first outer circular surface 21 ' comprises two first recesses 26. Only one first recesses 26 is visible in Fig. 1 .
- the second outer circular surface 22' comprises two second recesses 27, 27'.
- a fluid connection past the stopper 13 is formed, when the stopper 13 is inserted into a tube 17 having an inner diameter D2 essentially corresponding to the outer diameter D1 of the first and second protrusions 21 , 22.
- a stopper 13, and thus also a dipstick 1 comprising the stopper 13 is provided, capable of eliminating, or at least alleviating, the risk of a pressure build-up in the liquid reservoir 3, illustrated in Fig. 1 .
- the risk of displacement of the dipstick 1 out of the tube 17, caused by an over pressure in the liquid reservoir 3, is reduced.
- the stopper 13 comprises one coherent piece of plastic which has been moulded around the stick body 5.
- the stopper 13 further comprises an elongated body portion 38 extending along a portion of the stick body 5.
- the elongated body portion 38 facilitates and improves adhesion between the stopper 13 and the stick body 5.
- Fig. 3 illustrates the stopper 13 illustrated in Fig. 2, in a view along a centre axis a1 of the stopper 13.
- the two first recesses 26, 26' are arranged at different
- the first and second outer circular surfaces 21 ', 22' each comprise non-recessed portions 31 , 31 ', 32, 32' free of any first and second recesses 26, 26', 27, 27'.
- the non-recessed portions 31 , 31 ', 32, 32' of the first and second outer circular surfaces 21 ', 22' together cover the entire circumference c of the stopper 13, seen in the view along the centre axis a1 of the stopper 13. Thereby, removal of dirt, debris, clay, and/or liquid film is ensured along the entire inner circumference of the tube 17, illustrated in Fig. 1 , when the stopper 13 is displaced along the tube 17.
- the stick body 5 extends through the stopper 13, essentially coaxially with a centre axis a1 of the stopper 13.
- the first and second outer circular surfaces 21 ', 22' have essentially the same outer diameters D1 .
- the tube 17 illustrated in Fig. 1 comprises a first inner diameter D2 along a portion 42 of the tube extending from the second tube end 41 to the narrowing portion 19.
- the first inner diameter D2 essentially corresponds to the outer diameters D1 of the first and second outer circular surfaces 21 ', 22'.
- the diameter of the tube 17 is smaller than the outer diameters D1 of the first and second outer circular surfaces 21 ', 22'.
- Fig. 4 illustrates a stopper 13 according to some further embodiments, in a view along a centre axis a1 of the stopper 13.
- the stopper 13 illustrated in Fig. 4 comprises the same functions, features and advantages as the stopper 13 illustrated in the Figures 1 - 3, with the exception that the stopper 13 illustrated in Fig. 4 comprises an O-ring 29 arranged in the annular groove 25.
- each recess 26, 26', 27, 27' of the first and second recesses 26, 26', 27, 27' extend past an inner radius r1 of the O-ring 29 seen in a radial direction rd of the stopper 13, from the first and second outer circular surfaces 21 ', 22' towards the centre axis a1 of the stopper 13.
- Fig. 5 illustrates a powertrain 44 for a vehicle, according to some embodiments.
- the powertrain 44 comprises power source 43 and a transmission 47.
- Fig. 6 illustrates a vehicle 45 comprising the power source 43 and the transmission 47, illustrated in Fig. 5.
- the power source 43 is configured to provide motive power to the vehicle 45 via the transmission 47.
- the power source 43 comprises a liquid reservoir 3 and a gauge arrangement 2 according to the embodiments illustrated in Fig. 1 , wherein the tube 17 of the gauge arrangement 2 extends into the liquid reservoir 3.
- the transmission 47 comprises a liquid reservoir 3 and a gauge arrangement 2 according to the embodiments illustrated in Fig. 1 , wherein the tube 17 of the gauge arrangement 2 extends into the liquid reservoir 3.
- the vehicle 45 is a truck.
- power source 43 and/or the transmission 47, and thus also the gauge arrangement 2 may be comprised in another type of manned or unmanned vehicle for land or water based propulsion such as a lorry, a bus, a construction vehicle, a tractor, a car, a ship, a boat, etc.
- the power source 43 is a diesel engine. According to further embodiments, the power source 43 may be another type of combustion engine, such as an Otto engine configured to operate on gasoline, ethanol, or similar volatile fuels. According to still further embodiments, the power source 43 may be a stationary power source, such as a power source connected to a generator for generating electricity.
- first outer circular surface 21 ' and/or the second outer circular surface 22' may each comprise a different number of recesses 26, 26', 27, 27' than two, such as one, three, four, five, six, etc.
- the first outer circular surface 21 ' and the second outer circular surface 22' are cylindrically shaped.
- the first outer circular surface 21 ' and the second outer circular surface 22' may also be referred to as the first outer cylindrical surface 21 ' and the second outer cylindrical surface 22'.
- the stick body 5 may extend past the second end 9.
- the term "second end 9 of the stick body 5" is intended to encompass the portion of the stick body 5 being located at the second tube end 41 , when the dipstick 1 is fully inserted into the tube 17, i.e. when the stopper 13 is abutting against the narrowing portion 19 of the tube 17.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE1750676A SE540975C2 (en) | 2017-05-30 | 2017-05-30 | Dipstick, Gauge Arrangement, and related devices |
PCT/SE2018/050493 WO2018222103A1 (en) | 2017-05-30 | 2018-05-14 | Dipstick, gauge arrangement, and related devices |
Publications (3)
Publication Number | Publication Date |
---|---|
EP3631380A1 true EP3631380A1 (en) | 2020-04-08 |
EP3631380A4 EP3631380A4 (en) | 2021-02-24 |
EP3631380B1 EP3631380B1 (en) | 2023-01-18 |
Family
ID=64454855
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18810350.1A Active EP3631380B1 (en) | 2017-05-30 | 2018-05-14 | Dipstick, gauge arrangement, and related devices |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3631380B1 (en) |
SE (1) | SE540975C2 (en) |
WO (1) | WO2018222103A1 (en) |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3377708A (en) * | 1965-04-19 | 1968-04-16 | Dcere & Company | Combined ullage rod and breather cap |
DE2923464A1 (en) * | 1979-06-09 | 1980-12-18 | Kloeckner Humboldt Deutz Ag | MEASURING DEVICE FOR THE OIL LEVEL WITH A HOUSING-RESISTANT SLEEVE AND A EXTENDABLE MEASURING ROD |
JPH0532706U (en) * | 1991-03-16 | 1993-04-30 | 株式会社荒井製作所 | Oil level gauge |
JPH0557307U (en) * | 1991-12-27 | 1993-07-30 | 日野自動車工業株式会社 | Engine oil level checker |
JP2000065624A (en) * | 1998-08-07 | 2000-03-03 | Nok Corp | Oil level gage |
AU2003302168A1 (en) * | 2002-12-20 | 2004-07-22 | Orscheln Products Llc | Fluid level measuring device having at least one compressible member |
JP3929045B2 (en) * | 2003-03-25 | 2007-06-13 | 日産ディーゼル工業株式会社 | Oil level measuring device |
JP4125749B2 (en) * | 2005-09-15 | 2008-07-30 | 本田技研工業株式会社 | Oil level gauge |
DE102005055610A1 (en) * | 2005-11-22 | 2006-12-14 | Audi Ag | Oil dipstick for measuring oil level in internal combustion engine, has stopper that is designed at slider, where slider is adjustable along rod part and is lockable in set of adjustable positions with regard to rod part |
US9182263B2 (en) * | 2010-12-28 | 2015-11-10 | Volvo Construction Equipment Ab | Level gauge |
JP2013205050A (en) * | 2012-03-27 | 2013-10-07 | Honda Motor Co Ltd | Oil level gauge |
CN104981683A (en) * | 2012-12-19 | 2015-10-14 | 沃尔沃卡车公司 | Oil level gauge device |
US9625303B2 (en) * | 2015-05-15 | 2017-04-18 | Ford Global Technologies, Llc | Dipstick assembly and method of forming the same |
-
2017
- 2017-05-30 SE SE1750676A patent/SE540975C2/en unknown
-
2018
- 2018-05-14 EP EP18810350.1A patent/EP3631380B1/en active Active
- 2018-05-14 WO PCT/SE2018/050493 patent/WO2018222103A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
WO2018222103A1 (en) | 2018-12-06 |
EP3631380A4 (en) | 2021-02-24 |
EP3631380B1 (en) | 2023-01-18 |
SE1750676A1 (en) | 2018-12-01 |
SE540975C2 (en) | 2019-02-12 |
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Legal Events
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STAA | Information on the status of an ep patent application or granted ep patent |
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